Open window guard



J 5, 1951 I A. R. CHRISTIE 2,555,915 I OPEN wmnow GUARD Filed April 3,1946 Patented 'June 5, 1951 UNITED STATES PATENT OFFICE 7 Claims.

This invention relates to an open window guard structure utilizing awedge principle, the guard being applied to the upper sash of a windowto prevent a partially open lower sash from being forced farther open.

An important object of the invention is to provide an open window guardhaving a wedge membermovable to operative and inoperative positions. Inthe operative position of the wedge member a sloping wedge face thereonextends upwardly and outwardly beyond the plane of the lower windowsash, whereby the lower sash will be limited in its upward movement. Thestructure is so designed that when the wedge member is moved to itsinoperative position, the wedge face thereon will be located in a planesubstantially parallel to the plane of the lower window sash, wherebythe lower window sash may be moved past the window guard to fully openposition if so desired.

Another object of the invention is to provide an open window guardwherein a wedge member is mounted for pivotal movement on the upper sashof a window and may be moved to operative and inoperative positions.Yieldable means is also provided bearing outwardly against the underside of the wedge member to maintain it in a plane substantiallyparallel to the lower window sash when the wedge member is in itsinoperative position.

A further object of the invention is to provide an open window guardwhich includes both a base member and a wedge member, and wherein thewedge member is loosely mounted on the base member for pivotal movementto operative and inoperative positions on the upper sash of a window. I

Still another object is to provide an open window guard wherein a wedgemember is loosely and pivotally mounted on a base member which, in turn,is secured by means of a single fastening means to the upper sash of awindow. The wedge member is so constructed as to be rigidly supported inits operative position, but may be easily moved to its inoperativeposition where yieldable spring means urges the wedge member to aposition where the wedge face thereof is substantially parallel to theplane of the lower sash of the window, whereby the lower sash may bemoved upwardly past the wedge member.

Other objects and advantages of the invention will become apparent uponreading the following description taken in conjunction with theaccompanying drawing in which:

Fig. 1 is a fragmentary elevational view of a portion of a windowshowing the invention applied thereto in operative position;

Fig. 2 is a fragmentary vertical sectional view taken substantiallyalong the plane of line 22 of Fig. 1 showing the open window guard inside elevation;

Fig. 3 is a view similar to Fig. 1 but showing the wedge member moved toits inoperative position;

Fig. 4 is a view similar to Fig. 2 showing the wedge member in itsinoperative position and in side elevation;

Fig. 5 is a horizontal sectional view taken substantially along theplane of line 5-5 of Fig. 1;

Fig. 6 is a vertical sectional view taken sub stantially along the planeof line 6-6 of Fig. 1; and

Fig. 7 is a perspective view of the base member.

Referring now more particularly to the drawing, a typical form of windowis illustrated wherein the upper sash is indicated by the numeral Iandthe lower sash by the numeral 2. The open window guard of the presentinvention is adapted to be applied to one of the vertical side membersof the upper sash and includes a base member 3 and a wedge member 4.

Referring for the moment to Fig. '7, it will be noted that the basemember 3 includes a, locating bend 5 in the form of a longitudinalinwardly turned flange along the edge of the base member. This locatingbend 5 is adapted to be placed against an edge of the vertical sidemember of the upper window sash. A positioning bend 6 in the form of aforwardly extending flange is located along a diagonal edge of the basemember, against which the lower end of the wedge member will come whenin operative position, thereby acting as a stop or positioning means forthe wedge member. An opening I is provided for the reception offastening means such as a nail or screw, and yieldable means for hearingoutwardly against the wedge member 4 is preferably provided in the formof an integral upstruck portion 8. This yieldable member is struckupwardly from the face of the base member 3.

The wedge member itself includes a wedge face I I, a downwardlyextending side face I2, and a downwardly extending end face I3. Acountersunk opening I4 at the lower part Of the wedge face I I isadapted to receive fastening means such as the screw I5. The screw I5constitutes the means by which the wedge member and the base member areboth secured to the upper window sash. It should be further noted thatthe screw I5 loosely supports the wedge member 4 for pivotal movementbetween its operative position, as shown in Figs. 1 and 2, and itsinoperative position, as shown in Figs. 3 and 4.

When the wedge member is in its operative position, the edges of thedownwardly extending faces I2 and I3 bear solidly against the basemember 3 to thereby rigidly support the wedge member in its operativeposition.

The guard member can not be reached from the outside of the window, butcan be easily released and moved to its inoperative position 3 merely byslight force by the fingertips. This is an advantage because the guardmay thereby be released, for example, when it is necessary to reachthrough Venetian blinds.

When the'wedge member 4 is moved to its inoperative position as shown inFigs. 3 and i,

it will drop downwardly by gravity because ofthe loose connection withthe base. El e construction of the wedge member is such that when itfalls downwardly to its inoperative position, the end of the wedge faceH thereof would ordi: narily extend outwardly beyond the plane of thelower window sash. For this reason yieldable means in the form of thespring member 8 is adapted to bear outwardly against theunder sideoi-the. wedge memben'whereupon the wedge face H will be held in asubstantially vertical plane parallel to the plane, of the lower windowsash.

' It will also be noted that in this position of the wedge member it isheld somewhat semirigidly, or yieldably, so that if the wedge faee llshould extend slightly beyond the inner edge of the lower window sash itmay easily yield and permit the lower window sash to move upwardly pastthe window guard.

From the foregoing description it will be evidentjthat a novelconstruction has been provided in the present invention and applied toan open window guard, which is simple in its operation. The entiredevice is easy to install because of the single fastening means adaptedto secure both the base member and the wedge member in place. Thestructure is designed for economical manufacture.

Changes may be made in the form, construction and arrangement of partsfrom that disclosed herein without in any way departing from the spiritof the invention or sacrificing any of the attendant advantages thereof,provided, however, that such changes fall within the scope of the claimsappended hereto.

I hereby claim as follows:

1. An open window guard adapted to be applied to the upper sash of awindow, comprising a wedge member loosely mounted on said sash forpivotal movement about one end thereof to perat v a d n perative posi nsaid m nber being hollow and having an open side and bottom and formedat its under side to bear squarely against said sash and rigidly supportsaid member in operative position, and yieldable means'bearing outwardlyagainst the under side of said member to hold said member in position 1its inoperative position, to permit the lower sash to permit the lowersash of the window topass thereby when said member is in inoperativeposition.

2. An open window guard adapted to be applied to the upper sash of awindow, comprising a base member and a wedge member, means to pivotallymount said wedge member for move: ment about one end thereof tooperative and in-, operativepositions, and yieldable means struck fromsaid base member and adapted to bear against the under side of saidwedge member when said wedge member is in inoperative position, to holdsaid wedge member in a position to permit the lower sash of the windowto pass thereby.

3. An open window guard adapted to be applied to the upper sash of awindow having upper and lower sash portions, comprising av wedge membermounted on said upper sash for pivotal movement to operative andinoperative positions; said wedge member having a wedge face'portion'extending upwardlyand outwardly beyond the 1 to pass thereby.

'4'. An open window guard adapted to be applied to the uppersash of awindow having upper and lower sash portions, comprising a base member; awedge member mounted on said base member for pivotal movement tooperative and inoperative positions; said wedge member includm ed e H9 19 QXEQQQUA upward y n outwa dly be ond t e p ane o he l we sash W on ini it? 1293 12 0?! n dow -turne side and e d po tion ado d to be a ainstsaid base member to hold the wedge member rigs d; nd iolo blo, moan sruok o id .ba member to hold said wedge face portion'in a an a a lel tothe l w S s w e s we member is in its inoperative position, to permit;the ow r Sash 0 19 .15 43191 7 5. An open window guard adapted to beapplied to the upper sash of a window, comprising 'a Wed e memb moses orm t said Wedge member on said sash for limited universal movement aboutone endof said wedge member to operative and inoperative positions, saidwedge member being rigid in both positions, and yieldable meansbetweensaid member and'said sash for permitting said member to move'out of theway of the lower sash of the window when said lower as i sli s i m or 6.An op Wind w guard dapt to be. ap-c p ied o t U per sas ofew-iMow. co psin a rigid wedge'memben'havinga flat wedging sur e. sol te t b onta s-1 b th lower sa h i th win w-moans o loo l moun n said m m er to iv o'moromo f ab o end h reo 9. op rat v an in perative DQ n nd r o d blmoans d s osed between t e wedge member and the upper sash to hold saidmember i so tion o permit he; ow r sash o the wit- Q o i hfiitw- As oosW QQQW sta d oqa t o who op.- Pfiedto ho. upse sasho a win ow io ns u rn lower s sh. PQWW oosiori os ri id w d m mb r moes io p ssess ai Wed em re? her on the upper sash for limited universalmovemerit t a i e, asosotat ro positions sa ds? member ha n e s s o ortion e n n up ar and owa d y yon he plane of the lower sash when in its opil ativepoe sition aa b s ha is a r e m ned ela io t h ed iso por on i r sk able meansadapted to be compressed between t Wedge m mber an he tt sa h por nthold said wedge faeeportion of said wedge me nberin a plane parallel tothe lower sash when in its inoperative position, to permit the lowersash to pass thereby.

A L 7 3 3: CH I IE REFERENCES CITED The following i roooos 9 ??292-1. .1t i file of this patent:

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